Merge DragClientImpl into core.

third_party/WebKit/Source/core/page/Page.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 35 matching lines @@
 
 namespace blink {
 
 class AutoscrollController;
 class ChromeClient;
 class ClientRectList;
 class ContextMenuClient;
 class ContextMenuController;
 class Document;
 class DragCaretController;
-class DragClient;
 class DragController;
 class EditorClient;
 class FocusController;
 class Frame;
 class FrameHost;
 class PluginData;
 class PointerLockController;
 class ScrollingCoordinator;
 class Settings;
 class SpellCheckerClient;
@@ skipping 14 matching lines @@
     struct CORE_EXPORT PageClients final {
         STACK_ALLOCATED();
         WTF_MAKE_NONCOPYABLE(PageClients);
     public:
         PageClients();
         ~PageClients();
 
         Member<ChromeClient> chromeClient;
         ContextMenuClient* contextMenuClient;
         EditorClient* editorClient;
-        DragClient* dragClient;
         SpellCheckerClient* spellCheckerClient;
     };
 
     static Page* create(PageClients& pageClients)
     {
         return new Page(pageClients);
     }
 
     // An "ordinary" page is a fully-featured page owned by a web view.
     static Page* createOrdinary(PageClients&);
@@ skipping 182 matching lines @@
     Member<MemoryPurgeController> m_memoryPurgeController;
 
     Timer<Page> m_timerForCompressStrings;
 };
 
 extern template class CORE_EXTERN_TEMPLATE_EXPORT Supplement<Page>;
 
 } // namespace blink
 
 #endif // Page_h